x-3+12=2x+3

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Solution for x-3+12=2x+3 equation: 



x-3+12=2x+3

We move all terms to the left:

x-3+12-(2x+3)=0

We add all the numbers together, and all the variables

x-(2x+3)+9=0

We get rid of parentheses

x-2x-3+9=0

We add all the numbers together, and all the variables

-1x+6=0

We move all terms containing x to the left, all other terms to the right

-x=-6

x=-6/-1

x=+6

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